AIUI it's because declarativeNetRequest only allows a small number of dynamic rules (5000). See https://developer.chrome.com/docs/extensions/reference/declarati

AIUI it's because declarativeNetRequest only allows a small number of dynamic rules (5000). See https://developer.chrome.com/docs/extensions/reference/declarativeNetRequest/ https://developer.chrome.com/docs/extensions/reference/decla... . Most of the popular filter lists are much larger than that. For example, EasyList is about 70k rules. So even if you offered an option to download a list, you wouldn't be able to add most lists dynamically. Also note that the site you linked is for UBlock, which is a different extension from UBlock Origin. If you're interested in what the UBO developer thinks the differences are, the UBlock Origin Lite (UBlock Origin for MV3) page has a write-up: https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ) https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-as...